Home / 20,332.33-30,443.11-15,813.70

Finding the Fourth Proportional to 20,332.33, 30,443.11 and 15,813.70

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Solution

The fourth proportional to 20,332.33, 30,443.11 and 15,813.70 is: 23,677.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,332.33 : 30,443.11 = 15,813.70 : x
  2. Step 2: Convert to fraction form
    20,332.33/30,443.11 = 15,813.70/x
  3. Step 3: Cross multiply
    20,332.33x = 30,443.11 × 15,813.70
  4. Step 4: Simplify right side
    20,332.33x = 481,418,208.61
  5. Step 5: Solve for x
    x = 481,418,208.61/20,332.33
  6. Step 6: Final answer
    x = 23,677.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.